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铜和浓ＨＮＯ３的反应实验是高中化学第一册第六章中讲述硝酸氧化性时的一个重要演示实验，同时也是教学大纲要求学生必须掌握的实验之一。所以铜与浓硝酸（ＨＮＯ３）反应的原理、操作和实验结论在理解、掌握硝酸氧化性时具有重要意义。教材上对此实验是单纯的在试管中进行的
The experiment of the reaction between copper and concentrated HNO3 is an important demonstration experiment in the sixth chapter of High School Chemistry Book 1 on the oxidation of nitric acid, and it is also one of the experiments that the syllabus requires students to master. Therefore, the principle, operation and experimental conclusions of the reaction of copper with concentrated nitric acid (HNO3) are of great significance in understanding and mastering the oxidation of nitric acid. This experiment was simply conducted in a test tube